1 # Copyright (C) 2018 Verizon. All Rights Reserved
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3 # Licensed under the Apache License, Version 2.0 (the "License");
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4 # you may not use this file except in compliance with the License.
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5 # You may obtain a copy of the License at
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7 # http://www.apache.org/licenses/LICENSE-2.0
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9 # Unless required by applicable law or agreed to in writing, software
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10 # distributed under the License is distributed on an "AS IS" BASIS,
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11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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12 # See the License for the specific language governing permissions and
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13 # limitations under the License.
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19 from drf_yasg.utils import swagger_auto_schema
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20 from lcm.nf.biz.create_subscription import CreateSubscription
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21 from lcm.nf.biz.query_subscription import QuerySubscription
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22 from rest_framework import status
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23 from rest_framework.response import Response
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24 from rest_framework.views import APIView
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26 from lcm.nf.serializers.lccn_subscription_request import LccnSubscriptionRequestSerializer
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27 from lcm.nf.serializers.lccn_subscription import LccnSubscriptionSerializer
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28 from lcm.nf.serializers.lccn_subscriptions import LccnSubscriptionsSerializer
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29 from lcm.nf.serializers.response import ProblemDetailsSerializer
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30 from lcm.pub.exceptions import NFLCMException, NFLCMExceptionBadRequest
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31 from .common import view_safe_call_with_log
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33 logger = logging.getLogger(__name__)
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34 VALID_FILTERS = ["operationTypes", "operationStates", "notificationTypes", "vnfInstanceId"]
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37 def get_problem_details_serializer(status_code, error_message):
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39 "status": status_code,
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40 "detail": error_message
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42 problem_details_serializer = ProblemDetailsSerializer(data=problem_details)
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43 problem_details_serializer.is_valid()
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44 return problem_details_serializer
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47 class SubscriptionsView(APIView):
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48 @swagger_auto_schema(
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49 request_body=LccnSubscriptionRequestSerializer(),
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51 status.HTTP_201_CREATED: LccnSubscriptionSerializer(),
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52 status.HTTP_303_SEE_OTHER: ProblemDetailsSerializer(),
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53 status.HTTP_400_BAD_REQUEST: ProblemDetailsSerializer(),
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54 status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
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57 @view_safe_call_with_log(logger=logger)
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58 def post(self, request):
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59 logger.debug("SubscribeNotification--post::> %s" % request.data)
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61 lccn_subscription_request_serializer = LccnSubscriptionRequestSerializer(data=request.data)
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62 if not lccn_subscription_request_serializer.is_valid():
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63 raise NFLCMExceptionBadRequest(lccn_subscription_request_serializer.errors)
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64 subscription = CreateSubscription(
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65 request.data).do_biz()
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66 lccn_notifications_filter = {
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67 "notificationTypes": ast.literal_eval(subscription.notification_types),
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68 "operationTypes": ast.literal_eval(subscription.operation_types),
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69 "operationStates": ast.literal_eval(subscription.operation_states),
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70 "vnfInstanceSubscriptionFilter": json.loads(subscription.vnf_instance_filter)
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72 subscription_data = {
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73 "id": subscription.subscription_id,
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74 "callbackUri": subscription.callback_uri,
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75 "_links": json.loads(subscription.links),
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76 "filter": lccn_notifications_filter
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78 sub_resp_serializer = LccnSubscriptionSerializer(data=subscription_data)
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79 if not sub_resp_serializer.is_valid():
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80 raise NFLCMException(sub_resp_serializer.errors)
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81 return Response(data=subscription_data, status=status.HTTP_201_CREATED)
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83 @swagger_auto_schema(
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85 status.HTTP_200_OK: LccnSubscriptionsSerializer(),
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86 status.HTTP_400_BAD_REQUEST: ProblemDetailsSerializer(),
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87 status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
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90 @view_safe_call_with_log(logger=logger)
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91 def get(self, request):
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92 logger.debug("SubscribeNotification--get::> %s" % request.query_params)
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94 if request.query_params and not set(request.query_params).issubset(set(VALID_FILTERS)):
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95 problem_details_serializer = get_problem_details_serializer(
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96 status.HTTP_400_BAD_REQUEST,
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97 "Not a valid filter"
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99 return Response(data=problem_details_serializer.data,
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100 status=status.HTTP_400_BAD_REQUEST)
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101 resp_data = QuerySubscription(request.query_params).query_multi_subscriptions()
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103 subscriptions_serializer = LccnSubscriptionsSerializer(data=resp_data)
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104 if not subscriptions_serializer.is_valid():
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105 raise NFLCMException(subscriptions_serializer.errors)
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107 logger.debug("SubscribeNotification--get::> Remove default fields")
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108 return Response(data=subscriptions_serializer.data, status=status.HTTP_200_OK)
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